Finding the Fourth Proportional to 68,505,947.82, 102,753,753.84 and 21,817,546.74
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Solution
The fourth proportional to 68,505,947.82, 102,753,753.84 and 21,817,546.74 is: 32,724,674.26
Step by Step Solution
- Step 1: Write the proportion equation
68,505,947.82 : 102,753,753.84 = 21,817,546.74 : x - Step 2: Convert to fraction form
68,505,947.82/102,753,753.84 = 21,817,546.74/x - Step 3: Cross multiply
68,505,947.82x = 102,753,753.84 × 21,817,546.74 - Step 4: Simplify right side
68,505,947.82x = 2,241,834,827,114,654.50 - Step 5: Solve for x
x = 2,241,834,827,114,654.50/68,505,947.82 - Step 6: Final answer
x = 32,724,674.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.